You are going to crack up over this...I read on a home improvement site a couple of years ago to mix honey and yeast together and put it out...espec outside issues:)The honey attracts and the yeast...well, you guess what it does:)LOL They said it really works! I only have issues inside from time to time and that 'Terro' stuff is what really works for me. Let us know what works for you:)Skeat